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The chemical structures of organic materials along with the relevant energy levels for -doping.
The device (a) , (b) , and (c) characteristics for undoped and doped 2-TNATA devices.
(a) PLs of from films I, II, and III. The insets are the layer structures; (b) Absorbance of NPB, F4-TCNQ mixed NPB, F2-HCNQ mixed NPB, F4-TCNQ, and F2-HCNQ in dilute dichloromethane solution; the inset is the enlarged part from F4-TCNQ mixed NPB solution spectrum.
features for undoped and F2-HCNQ doped NPB devices. The inset is their efficiency data.
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